Pith Number

pith:GWMBNLMG

pith:2017:GWMBNLMGWS4TMXGPSEHM4ZYMJ7

not attested not anchored not stored refs pending

Long-term study of the Double Pulsar J0737-3039 with XMM-Newton: spectral analysis

Alberto Pellizzoni, Andrea Possenti, Andy Pollock, Elise Egron, Marco Marongiu, Nazar Ikhsanov, Noemi Iacolina

arxiv:1702.05280 v2 · 2017-02-17 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWMBNLMGWS4TMXGPSEHM4ZYMJ7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:47:03.301288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

359816ad86b4b9365ccf910ece670c4fe9f226d8b4fce6c5c817db3e29e1ffdb

Aliases

arxiv: 1702.05280 · arxiv_version: 1702.05280v2 · doi: 10.48550/arxiv.1702.05280 · pith_short_12: GWMBNLMGWS4T · pith_short_16: GWMBNLMGWS4TMXGP · pith_short_8: GWMBNLMG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GWMBNLMGWS4TMXGPSEHM4ZYMJ7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 359816ad86b4b9365ccf910ece670c4fe9f226d8b4fce6c5c817db3e29e1ffdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4015ca1e463b49d0fc846cb33fa5c6a14de32b9bdd3afba4ada2b9fbe5651a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-02-17T09:47:12Z",
    "title_canon_sha256": "8cc2c3986fc4320cc69bf1e27d3f5cbc2efdc6ea1ccd5282ee0ea67c3c4d828a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05280",
    "kind": "arxiv",
    "version": 2
  }
}